Home / 819,362,332.92-1,130,823,309.69-537,341,946.96

Finding the Fourth Proportional to 819,362,332.92, 1,130,823,309.69 and 537,341,946.96

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Solution

The fourth proportional to 819,362,332.92, 1,130,823,309.69 and 537,341,946.96 is: 741,599,625.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,362,332.92 : 1,130,823,309.69 = 537,341,946.96 : x
  2. Step 2: Convert to fraction form
    819,362,332.92/1,130,823,309.69 = 537,341,946.96/x
  3. Step 3: Cross multiply
    819,362,332.92x = 1,130,823,309.69 × 537,341,946.96
  4. Step 4: Simplify right side
    819,362,332.92x = 607,638,798,896,575,744
  5. Step 5: Solve for x
    x = 607,638,798,896,575,744/819,362,332.92
  6. Step 6: Final answer
    x = 741,599,625.08

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Half scale
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Double scale
Find fourth proportional to 819,362,333.92, 1,130,823,311.07 and 537,341,947.96
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.